#0A0F3D#0A0F3D

#0A0F3D is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.2% C 0.087 H 271.2°. Best body text is #FFFFFF at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#0A0F3D
RGB	rgb(10, 15, 61)
HSL	hsl(234, 72%, 14%)
HSV	hsv(234, 84%, 24%)
CMYK	cmyk(83.6%, 75.4%, 0%, 76.1%)
CIE-LAB	lab(6.71, 16.49, -29.98)
CIE-LCH	lch(6.71, 34.21, 298.82°)
OKLab	oklab(20.19% 0.0018 -0.087)
OKLCH	oklch(20.19% 0.087 271.2)
XYZ	xyz(1.1380, 0.7430, 4.4974)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0F3D #3D380A

analogous

#0A293D #0A0F3D #1F0A3D

triadic

#0A0F3D #3D0A0F #0F3D0A

tetradic

#0A0F3D #3D0A29 #3D380A #0A3D1F

square

#0A0F3D #3D0A29 #3D380A #0A3D1F

split-complementary

#0A0F3D #3D1F0A #293D0A

monochromatic

#04061A #04061A #0A0F3D #131C72 #1B29A6

Accessibility & contrast

On white

18.28

#0A0F3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A0F3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0F3D

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0F3D	#FFFFFF	#000000	##FFFFFF
##0A0F3D	1.00	18.28	1.15	18.28
#FFFFFF	18.28	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173E

Deuteranopia (green-blind)

#00123C

Tritanopia (blue-blind)

#001B24

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a0f3d;
/* rgb */ color: rgb(10, 15, 61);
/* oklch */ color: oklch(20.2% 0.087 271.2);

Tailwind

colors: {
  custom: {
    50: '#524d73',
    500: '#0a0f3d',
    950: '#000000',
  },
}

SCSS

$custom: #0a0f3d;
$custom-light: #524d73;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0f3d",
  "rgb": {
    "r": 10,
    "g": 15,
    "b": 61
  },
  "hsl": {
    "h": 234.118,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20192,
    "c": 0.08707,
    "h": 271.2
  },
  "luminance": 0.00743
}

Semantic roles & 50–950 ramp

primary

#0A0F3D

secondary

#7A7228

accent

#DD39EF

background

#F4F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0A0F3D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →